From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 10 Mar 2017 16:56:17 +0000 (+0100)
Subject: fix integer overflow test to actually work
X-Git-Tag: gnunet-0.11.0rc0~291^2~15
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=ee232f9c14bd879235e6586484083ff91addd052;p=oweals%2Fgnunet.git

fix integer overflow test to actually work
---

diff --git a/src/transport/plugin_transport_udp.c b/src/transport/plugin_transport_udp.c
index 76132523b..eb48341b7 100644
--- a/src/transport/plugin_transport_udp.c
+++ b/src/transport/plugin_transport_udp.c
@@ -1623,7 +1623,7 @@ enqueue (struct Plugin *plugin,
     GNUNET_break (0);
     return;
   }
-  if (plugin->bytes_in_buffer + udpw->msg_size > INT64_MAX)
+  if (plugin->bytes_in_buffer > INT64_MAX - udpw->msg_size)
   {
     GNUNET_break (0);
   }